The insurance industry lacks a universal approach to managing properties fitted with Poly-B piping. Depending on the carrier, homeowners may encounter everything from standard coverage and premium surcharges to the total exclusion of water-damage protection or outright denial of a policy. This disparity often hinges on the property’s maintenance history, the age of the system, and whether the owner has established a formal replacement plan.
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Canadian Homeowners Face Insurance Hurdles Over Aging Poly-B Plumbing
Nearly 700,000 Canadian households are currently navigating a complex insurance landscape due to the presence of Poly-B plumbing. Although the material was removed from the national plumbing code in 2005, it remains a persistent fixture in homes built during the 1970s and 1990s, forcing owners to contend with inconsistent underwriting standards.

While the material is no longer code-compliant, its presence does not render a home uninsurable. However, insurers increasingly view these legacy systems as high-risk components, citing a history of leaks and expensive water-damage claims. For those looking to secure or maintain coverage, providing documented inspection reports and evidence of modernization has become essential. In regions like Ottawa, where a significant volume of housing stock dates back to the era of Poly-B installation, replacement projects typically require an investment of $9,000 to $15,000. As underwriting scrutiny intensifies, industry experts suggest that homeowners should solicit multiple quotes and prioritize proactive infrastructure planning to navigate the varying risk appetites of today's insurance providers.
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